//Date.h
#ifndef DATE_H_
#define DATE_H_
#include <iostream>
using namespace std;
class Date {
private:
    int year;
    int month;
    int day;
public:
    Date(int y = 1921, int m = 1, int d = 1);
    Date(const Date& date);
    Date& operator=(const Date& date);
    ~Date();
    friend ostream& operator<<(ostream& out, const Date& date);
};
#endif